/* ============================================================
   GALERÍA — Centro Geriátrico Querétaro
   Hereda los tokens de css/styles.css (:root)
   ============================================================ */

/* ---------- HERO DE GALERÍA ---------- */
.galeria-hero {
  background-image: linear-gradient(rgba(26, 26, 26, 0.55), rgba(107, 18, 18, 0.45)),
                    url('../img/carrousel/residencia-2.webp');
}

.galeria-hero .hero-eyebrow {
  display: inline-block;
  color: rgba(255, 255, 255, 0.9);
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.85rem;
  margin-bottom: 1rem;
  padding: 0.4rem 1rem;
  border: 1px solid rgba(255, 255, 255, 0.4);
  border-radius: 999px;
}

/* ---------- SECCIÓN GALERÍA ---------- */
.galeria-seccion {
  background-color: var(--color-cream);
}

.galeria-intro {
  max-width: 680px;
  margin: -1rem auto 2.5rem;
  text-align: center;
  color: var(--color-gray-dark);
  font-size: 1.08rem;
}

/* ---------- FILTROS ---------- */
.galeria-filtros {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.filtro-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  color: var(--color-primary);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-light);
  border-radius: 999px;
  padding: 0.65rem 1.3rem;
  cursor: pointer;
  transition: var(--transition);
  line-height: 1;
}

.filtro-btn .filtro-num {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-gray-mid);
  background: var(--color-cream);
  border-radius: 999px;
  padding: 0.15rem 0.5rem;
  transition: var(--transition);
}

.filtro-btn:hover {
  border-color: var(--color-primary-light);
  box-shadow: var(--shadow-card);
  transform: translateY(-2px);
}

.filtro-btn:focus-visible {
  outline: 3px solid rgba(139, 26, 26, 0.35);
  outline-offset: 2px;
}

.filtro-btn.active {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.filtro-btn.active .filtro-num {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.22);
}

/* ---------- MOSAICO ---------- */
.galeria-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 215px;
  grid-auto-flow: dense;
  gap: 1rem;
}

.galeria-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-gray-light);
  box-shadow: var(--shadow-card);
  cursor: pointer;
  background: var(--color-white);
  padding: 0;
  text-align: left;
  font-family: var(--font-body);
  transition: transform 0.3s ease, box-shadow 0.3s ease, opacity 0.35s ease;
}

.galeria-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.galeria-item:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.galeria-item.span-2x2 { grid-column: span 2; grid-row: span 2; }
.galeria-item.span-2x1 { grid-column: span 2; grid-row: span 1; }
.galeria-item.span-1x2 { grid-column: span 1; grid-row: span 2; }

.galeria-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.galeria-item:hover img {
  transform: scale(1.06);
}

/* Capa de texto sobre la foto */
.galeria-item .item-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1rem 1.1rem;
  background: linear-gradient(to top,
              rgba(26, 26, 26, 0.78) 0%,
              rgba(26, 26, 26, 0.30) 45%,
              rgba(26, 26, 26, 0) 75%);
  opacity: 0.96;
  transition: var(--transition);
}

.galeria-item .item-cat {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-primary);
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  margin-bottom: 0.5rem;
}

.galeria-item .item-titulo {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.25;
  color: var(--color-white);
  text-shadow: 0 1px 6px rgba(0, 0, 0, 0.4);
}

.galeria-item .item-zoom {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.8);
  transition: var(--transition);
}

.galeria-item:hover .item-zoom {
  opacity: 1;
  transform: scale(1);
}

/* ---------- MARCADOR DE POSICIÓN ---------- */
.galeria-item.es-placeholder {
  cursor: default;
  background: var(--color-cream);
  border: 1.5px dashed var(--color-gray-light);
  box-shadow: none;
}

.galeria-item.es-placeholder:hover {
  transform: none;
  box-shadow: none;
  border-color: var(--color-primary-light);
}

.galeria-item.es-placeholder .ph-inner {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1rem;
  gap: 0.55rem;
}

.galeria-item.es-placeholder .ph-icon {
  color: var(--color-primary-light);
  opacity: 0.85;
}

.galeria-item.es-placeholder .ph-cat {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
}

.galeria-item.es-placeholder .ph-titulo {
  font-family: var(--font-heading);
  font-size: 1.02rem;
  color: var(--color-gray-dark);
  line-height: 1.25;
}

.galeria-item.es-placeholder .ph-nota {
  font-size: 0.78rem;
  color: var(--color-gray-mid);
}

/* Oculto por filtro */
.galeria-item.filtrado-oculto {
  display: none;
}

/* Mensaje cuando una categoría no tiene fotos reales (no usado por defecto) */
.galeria-vacio {
  text-align: center;
  color: var(--color-gray-mid);
  padding: 2rem;
  grid-column: 1 / -1;
}

/* ============================================================
   LIGHTBOX / ÁLBUM
   ============================================================ */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 11000;
  display: flex;
  flex-direction: column;
  background: rgba(20, 12, 12, 0.92);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.abierto {
  opacity: 1;
  visibility: visible;
}

.lightbox-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  color: rgba(255, 255, 255, 0.92);
  flex-shrink: 0;
}

.lightbox-contador {
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.lightbox-cerrar {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.14);
  color: var(--color-white);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-cerrar:hover {
  background: var(--color-primary);
  transform: rotate(90deg);
}

.lightbox-cuerpo {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  padding: 0 1rem;
  min-height: 0;
}

.lightbox-nav {
  flex-shrink: 0;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.16);
  color: var(--color-white);
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.lightbox-nav:hover {
  background: var(--color-primary);
  transform: scale(1.08);
}

.lightbox-escena {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  max-width: min(1100px, 100%);
  width: 100%;
  height: 100%;
  justify-content: center;
}

.lightbox-figura {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 0;
  width: 100%;
}

.lightbox-img {
  max-width: 100%;
  max-height: 56vh;
  border-radius: var(--radius-md);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  object-fit: contain;
  background: var(--color-primary-dark);
}

.lightbox-caption {
  text-align: center;
  max-width: 640px;
  padding: 1.25rem 1rem 0;
}

.lightbox-caption .cap-cat {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-white);
  background: var(--color-primary);
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  margin-bottom: 0.85rem;
}

.lightbox-caption h3 {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 1.6rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.lightbox-caption p {
  color: rgba(255, 255, 255, 0.8);
  font-size: 1.02rem;
  line-height: 1.65;
}

/* Tira de miniaturas */
.lightbox-miniaturas {
  display: flex;
  gap: 0.6rem;
  overflow-x: auto;
  padding: 1rem 1.5rem 1.5rem;
  flex-shrink: 0;
  scrollbar-width: thin;
  scrollbar-color: rgba(255,255,255,0.3) transparent;
  justify-content: center;
}

.lightbox-miniaturas::-webkit-scrollbar { height: 6px; }
.lightbox-miniaturas::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.3);
  border-radius: 999px;
}

.mini {
  flex-shrink: 0;
  width: 76px;
  height: 56px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  opacity: 0.55;
  cursor: pointer;
  transition: var(--transition);
  padding: 0;
  background: var(--color-primary-dark);
}

.mini img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mini.es-ph {
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  background: #3d2424;
}

.mini:hover { opacity: 0.85; }

.mini.activa {
  opacity: 1;
  border-color: var(--color-white);
}

/* Caption para placeholder dentro del lightbox */
.lightbox-ph {
  width: min(560px, 90vw);
  height: 40vh;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: rgba(255,255,255,0.85);
  background: #2a1a1a;
  border: 1.5px dashed rgba(255,255,255,0.3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .galeria-grid {
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 190px;
  }
}

@media (max-width: 620px) {
  .galeria-grid {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 150px;
    gap: 0.7rem;
  }
  .galeria-item.span-2x2 { grid-column: span 2; grid-row: span 2; }
  .galeria-item.span-2x1 { grid-column: span 2; grid-row: span 1; }
  .galeria-item.span-1x2 { grid-column: span 1; grid-row: span 2; }

  .galeria-item .item-titulo { font-size: 0.95rem; }
  .lightbox-img { max-height: 48vh; }
  .lightbox-caption h3 { font-size: 1.3rem; }
  .lightbox-nav { width: 44px; height: 44px; font-size: 1.6rem; }
  .lightbox-cuerpo { padding: 0 0.4rem; gap: 0.4rem; }
}

@media (max-width: 400px) {
  .galeria-grid { grid-template-columns: repeat(2, 1fr); }
}

/* =====================
   ANIMACIONES
   ===================== */

/* Hero entrance */
.galeria-hero .hero-eyebrow {
  animation: heroUp 0.6s var(--ease-out-expo) 0ms both;
}

.galeria-hero h1 {
  animation: heroUp 0.65s var(--ease-out-expo) 80ms both;
}

.galeria-hero p {
  animation: heroUp 0.65s var(--ease-out-expo) 160ms both;
}

/* Gallery grid stagger */
@keyframes galItemIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.galeria-item {
  animation: galItemIn 0.5s var(--ease-out-expo) calc(var(--i, 0) * 45ms) both;
}

/* Respeto a reduce-motion */
@media (prefers-reduced-motion: reduce) {
  .galeria-item, .galeria-item img, .lightbox, .lightbox-cerrar, .filtro-btn {
    transition: none !important;
  }
  .galeria-item:hover img { transform: none; }
  .galeria-hero .hero-eyebrow,
  .galeria-hero h1,
  .galeria-hero p,
  .galeria-item { animation: none; }
}